2. To move in on someone else's territory or possessions.
3. To accept something for free under dubious circumstances.
American Toilets make people squat with their heels up. After about 30 years, people can hardly perform the other way to squat.
To begin learning how to correctly squat, one must "hold on to something for dear life".
YOU: I tried that and just about fell on my back.
ME: "For about two weeks, he had to hold on to a chair in front of him. Squatting is difficult at first."